/* IronRoost Farms - Shared Design System */

* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --rust: #8B3A1A;
    --rust-light: #B5522A;
    --cream: #FDF6EC;
    --dark: #1A1207;
    --warm-gray: #4A4035;
    --gold: #C8952E;
    --gold-light: #E8B84D;
    --sage: #5A6E4E;
    --sage-light: #7A9468;
    --card-bg: #FFFFFF;
    --card-shadow: 0 2px 20px rgba(26, 18, 7, 0.06);
    --card-shadow-hover: 0 8px 32px rgba(26, 18, 7, 0.12);
}

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--cream);
    color: var(--dark);
    overflow-x: hidden;
}

h1, h2, h3, h4 { font-family: 'Space Grotesk', sans-serif; }

/* ==================== NAVIGATION ==================== */
.site-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0 40px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.site-nav.scrolled {
    background: rgba(26, 18, 7, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 2px 24px rgba(0,0,0,0.15);
}

.site-nav.nav-dark {
    background: rgba(26, 18, 7, 0.95);
    backdrop-filter: blur(12px);
}

.nav-logo {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--cream);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.nav-logo span {
    color: var(--gold);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links a {
    font-family: 'DM Sans', sans-serif;
    font-size: 0.85rem;
    font-weight: 500;
    color: rgba(253, 246, 236, 0.65);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 6px;
    transition: all 0.2s ease;
    letter-spacing: 0.3px;
}

.nav-links a:hover {
    color: var(--cream);
    background: rgba(253, 246, 236, 0.08);
}

.nav-links a.active {
    color: var(--gold);
    background: rgba(200, 149, 46, 0.1);
}

.nav-links a.nav-cta {
    background: var(--rust);
    color: var(--cream);
    font-weight: 600;
    padding: 8px 20px;
}

.nav-links a.nav-cta:hover {
    background: var(--rust-light);
}

/* Hamburger */
.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.nav-hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--cream);
    transition: all 0.3s ease;
}

.nav-hamburger.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-hamburger.open span:nth-child(2) {
    opacity: 0;
}

.nav-hamburger.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.nav-mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 18, 7, 0.98);
    z-index: 999;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.nav-mobile-overlay.open {
    display: flex;
}

.nav-mobile-overlay a {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--cream);
    text-decoration: none;
    padding: 12px 24px;
    transition: color 0.2s ease;
}

.nav-mobile-overlay a:hover,
.nav-mobile-overlay a.active {
    color: var(--gold);
}

.nav-mobile-overlay a.nav-cta {
    background: var(--rust);
    border-radius: 8px;
    margin-top: 16px;
    font-size: 1.1rem;
}

/* ==================== PAGE HEADER ==================== */
.page-header {
    padding: 140px 40px 80px;
    background: linear-gradient(165deg, var(--dark) 0%, #2D1F0E 40%, #3A2512 70%, var(--rust) 100%);
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(200, 149, 46, 0.12) 0%, transparent 70%);
    border-radius: 50%;
}

.page-header-content {
    max-width: 900px;
    position: relative;
    z-index: 2;
}

.page-header .page-tag {
    display: inline-block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 24px;
    padding: 6px 14px;
    border: 1px solid rgba(200, 149, 46, 0.3);
    border-radius: 2px;
}

.page-header h1 {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 700;
    color: var(--cream);
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: 20px;
}

.page-header h1 span {
    color: var(--gold);
}

.page-header .page-subtitle {
    font-size: 1.15rem;
    color: rgba(253, 246, 236, 0.6);
    max-width: 600px;
    line-height: 1.7;
}

/* ==================== SECTIONS ==================== */
.section {
    padding: 100px 40px;
}

.section-dark {
    background: var(--dark);
    color: var(--cream);
}

.section-alt {
    background: linear-gradient(180deg, var(--cream) 0%, #F5EBDA 100%);
}

.section-sage {
    background: var(--sage);
}

.section-inner {
    max-width: 1100px;
    margin: 0 auto;
}

.section-header {
    margin-bottom: 56px;
}

.section-header .section-tag {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--rust);
    margin-bottom: 12px;
    display: block;
}

.section-dark .section-header .section-tag {
    color: var(--gold);
}

.section-header h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 700;
    letter-spacing: -1px;
    line-height: 1.2;
}

.section-header p {
    font-size: 1.05rem;
    color: var(--warm-gray);
    line-height: 1.7;
    max-width: 650px;
    margin-top: 16px;
}

.section-dark .section-header p {
    color: rgba(253, 246, 236, 0.55);
}

/* ==================== CARDS ==================== */
.card {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 36px;
    box-shadow: var(--card-shadow);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.card:hover {
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-2px);
}

.card-dark {
    background: #221A0E;
    border: 1px solid rgba(253, 246, 236, 0.06);
}

.card-dark:hover {
    background: #2D2012;
    border-color: rgba(200, 149, 46, 0.15);
}

/* ==================== METRIC CARDS ==================== */
.metric-card {
    text-align: center;
    padding: 32px 24px;
}

.metric-card .metric-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--rust);
    line-height: 1;
    margin-bottom: 6px;
}

.metric-card .metric-label {
    font-size: 0.78rem;
    color: var(--warm-gray);
    text-transform: uppercase;
    letter-spacing: 1.2px;
    line-height: 1.4;
}

.card-dark .metric-value {
    color: var(--gold);
}

.card-dark .metric-label {
    color: rgba(253, 246, 236, 0.45);
}

/* ==================== TABLES ==================== */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
}

.data-table thead th {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--warm-gray);
    padding: 14px 20px;
    text-align: left;
    border-bottom: 2px solid rgba(26, 18, 7, 0.1);
}

.data-table tbody td {
    padding: 16px 20px;
    border-bottom: 1px solid rgba(26, 18, 7, 0.06);
    color: var(--dark);
}

.data-table tbody tr:hover {
    background: rgba(200, 149, 46, 0.04);
}

.data-table .table-highlight {
    font-weight: 600;
    color: var(--rust);
}

.data-table .table-positive {
    color: var(--sage);
    font-weight: 600;
}

.data-table .table-note {
    font-size: 0.8rem;
    color: var(--warm-gray);
}

/* Dark table */
.data-table-dark thead th {
    color: rgba(253, 246, 236, 0.45);
    border-bottom-color: rgba(253, 246, 236, 0.1);
}

.data-table-dark tbody td {
    color: rgba(253, 246, 236, 0.75);
    border-bottom-color: rgba(253, 246, 236, 0.06);
}

.data-table-dark tbody tr:hover {
    background: rgba(200, 149, 46, 0.06);
}

.data-table-dark .table-highlight {
    color: var(--gold);
}

.data-table-dark .table-positive {
    color: var(--sage-light);
}

/* ==================== CHART CONTAINERS ==================== */
.chart-container {
    position: relative;
    background: white;
    border-radius: 8px;
    padding: 32px;
    box-shadow: var(--card-shadow);
}

.chart-container canvas {
    max-height: 360px;
}

.chart-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--dark);
}

.chart-subtitle {
    font-size: 0.82rem;
    color: var(--warm-gray);
    margin-top: -14px;
    margin-bottom: 20px;
}

/* ==================== GRID LAYOUTS ==================== */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.grid-2-1 {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 32px;
    align-items: start;
}

.grid-1-2 {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 32px;
    align-items: start;
}

/* ==================== BADGES & TAGS ==================== */
.badge {
    display: inline-block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 3px;
}

.badge-gold {
    background: rgba(200, 149, 46, 0.12);
    color: var(--gold);
}

.badge-rust {
    background: rgba(139, 58, 26, 0.1);
    color: var(--rust);
}

.badge-sage {
    background: rgba(90, 110, 78, 0.12);
    color: var(--sage);
}

/* ==================== PROGRESS BARS ==================== */
.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(26, 18, 7, 0.06);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 1.5s ease;
}

.progress-fill-rust { background: var(--rust); }
.progress-fill-gold { background: var(--gold); }
.progress-fill-sage { background: var(--sage); }

/* ==================== DIVIDERS ==================== */
.gold-divider {
    width: 48px;
    height: 3px;
    background: var(--gold);
    border: none;
    margin: 24px 0;
}

/* ==================== FOOTER ==================== */
.site-footer {
    padding: 48px 40px 32px;
    background: var(--dark);
}

.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 40px;
}

.footer-brand {
    flex: 1;
}

.footer-brand h4 {
    font-size: 1.1rem;
    color: var(--cream);
    margin-bottom: 8px;
}

.footer-brand h4 span {
    color: var(--gold);
}

.footer-brand p {
    font-size: 0.82rem;
    color: rgba(253, 246, 236, 0.35);
    line-height: 1.6;
    max-width: 300px;
}

.footer-links {
    display: flex;
    gap: 40px;
}

.footer-col h5 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: rgba(253, 246, 236, 0.4);
    margin-bottom: 16px;
}

.footer-col a {
    display: block;
    font-size: 0.85rem;
    color: rgba(253, 246, 236, 0.55);
    text-decoration: none;
    padding: 4px 0;
    transition: color 0.2s ease;
}

.footer-col a:hover {
    color: var(--gold);
}

.footer-bottom {
    max-width: 1100px;
    margin: 32px auto 0;
    padding-top: 24px;
    border-top: 1px solid rgba(253, 246, 236, 0.06);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.75rem;
    color: rgba(253, 246, 236, 0.25);
    letter-spacing: 0.5px;
}

/* ==================== ANIMATIONS ==================== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==================== TAB SYSTEM ==================== */
.tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 32px;
    border-bottom: 2px solid rgba(26, 18, 7, 0.08);
    padding-bottom: 0;
}

.tab {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--warm-gray);
    padding: 12px 20px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s ease;
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
}

.tab:hover {
    color: var(--dark);
}

.tab.active {
    color: var(--rust);
    border-bottom-color: var(--rust);
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: fadeInUp 0.4s ease;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    .site-nav {
        padding: 0 24px;
    }

    .nav-links {
        display: none;
    }

    .nav-hamburger {
        display: flex;
    }

    .page-header {
        padding: 120px 24px 60px;
    }

    .section {
        padding: 60px 24px;
    }

    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }

    .grid-2-1, .grid-1-2 {
        grid-template-columns: 1fr;
    }

    .footer-inner {
        flex-direction: column;
    }

    .footer-links {
        flex-direction: column;
        gap: 32px;
    }

    .data-table {
        font-size: 0.82rem;
    }

    .data-table thead th,
    .data-table tbody td {
        padding: 12px 14px;
    }

    .tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
}

@media (max-width: 480px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }

    .metric-card .metric-value {
        font-size: 2rem;
    }
}

/* ==================== UTILITY ==================== */
.text-rust { color: var(--rust); }
.text-gold { color: var(--gold); }
.text-sage { color: var(--sage); }
.text-muted { color: var(--warm-gray); }
.text-center { text-align: center; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }